EP0994363A3 - Respiratory gating method for MR imaging - Google Patents

Respiratory gating method for MR imaging Download PDF

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Publication number
EP0994363A3
EP0994363A3 EP99308026A EP99308026A EP0994363A3 EP 0994363 A3 EP0994363 A3 EP 0994363A3 EP 99308026 A EP99308026 A EP 99308026A EP 99308026 A EP99308026 A EP 99308026A EP 0994363 A3 EP0994363 A3 EP 0994363A3
Authority
EP
European Patent Office
Prior art keywords
produced
gating signal
respiration
imaging
space views
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP99308026A
Other languages
German (de)
French (fr)
Other versions
EP0994363A2 (en
Inventor
Yiping P. Du
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of EP0994363A2 publication Critical patent/EP0994363A2/en
Publication of EP0994363A3 publication Critical patent/EP0994363A3/en
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/567—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution gated by physiological signals, i.e. synchronization of acquired MR data with periodical motion of an object of interest, e.g. monitoring or triggering system for cardiac or respiratory gating
    • G01R33/5676—Gating or triggering based on an MR signal, e.g. involving one or more navigator echoes for motion monitoring and correction

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Cardiology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Physiology (AREA)
  • Power Engineering (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biophysics (AREA)
  • Signal Processing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)

Abstract

NMR data required to reconstruct an image is divided into central k-space views (313) and peripheral k-space views (315). NMR navigator signals are acquired during a scan to indicate patient respiration and a first gating signal is produced when respiration is within a narrow acquisition window (322) and a second gating signal is produced when respiration is within a wider acquisition window (324). Central k-space views (313) are acquired when the first gating signal is produced and peripheral k-space views (315) are acquired when the second gating signal is produced.
EP99308026A 1998-10-15 1999-10-12 Respiratory gating method for MR imaging Ceased EP0994363A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/173,194 US6144874A (en) 1998-10-15 1998-10-15 Respiratory gating method for MR imaging
US173194 1998-10-15

Publications (2)

Publication Number Publication Date
EP0994363A2 EP0994363A2 (en) 2000-04-19
EP0994363A3 true EP0994363A3 (en) 2002-03-13

Family

ID=22630927

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99308026A Ceased EP0994363A3 (en) 1998-10-15 1999-10-12 Respiratory gating method for MR imaging

Country Status (3)

Country Link
US (1) US6144874A (en)
EP (1) EP0994363A3 (en)
JP (1) JP2000157508A (en)

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US7769430B2 (en) * 2001-06-26 2010-08-03 Varian Medical Systems, Inc. Patient visual instruction techniques for synchronizing breathing with a medical procedure
US6675036B2 (en) * 2001-07-18 2004-01-06 Ge Medical Systems, Inc. Diagnostic device including a method and apparatus for bio-potential noise cancellation utilizing the patient's respiratory signal
DE10137170B4 (en) * 2001-07-31 2005-04-28 Siemens Ag Method for triggering respiration in an imaging process
US6833698B2 (en) * 2002-05-15 2004-12-21 Chevrontexaco U.S.A. Inc. Methods of decoupling diffusion effects from relaxation times to determine properties of porous media containing fluids
US6892090B2 (en) * 2002-08-19 2005-05-10 Surgical Navigation Technologies, Inc. Method and apparatus for virtual endoscopy
US7561909B1 (en) 2002-09-16 2009-07-14 The United States Of America As Represented By The Department Of Health And Human Services MRI navigator methods and systems
US7620444B2 (en) 2002-10-05 2009-11-17 General Electric Company Systems and methods for improving usability of images for medical applications
US7389136B2 (en) * 2002-12-04 2008-06-17 Ge Medical Systems Global Technology Company, Llc Method and system using a non-electrical sensor for gating
US6771999B2 (en) * 2002-12-04 2004-08-03 Ge Medical Systems Global Technology Company, Llc Determination of arbitrary cardiac phases using non-electrical signals
WO2004097444A2 (en) * 2003-04-29 2004-11-11 Isis Innovation Ltd Processing of ecg signals in a mri apparatus
US7359535B2 (en) * 2003-06-20 2008-04-15 Ge Medical Systems Global Technology Company, Llc Systems and methods for retrospective internal gating
US7603156B2 (en) * 2003-07-02 2009-10-13 Ge Medical Systems Global Technology Co., Llc Systems and methods for phase encode placement
US8571639B2 (en) 2003-09-05 2013-10-29 Varian Medical Systems, Inc. Systems and methods for gating medical procedures
US7367953B2 (en) * 2003-11-26 2008-05-06 Ge Medical Systems Global Technology Company Method and system for determining a period of interest using multiple inputs
US7844317B2 (en) * 2003-11-26 2010-11-30 General Electric Company Method and system for estimating three-dimensional respiratory motion
US7756565B2 (en) * 2003-11-26 2010-07-13 General Electric Company Method and system for composite gating using multiple inputs
US20050113673A1 (en) * 2003-11-26 2005-05-26 Avinash Gobal B. Method and system to reduce motion-related image artifacts during breath holding
US8285359B2 (en) * 2003-11-26 2012-10-09 General Electric Company Method and system for retrospective gating using multiple inputs
US8064983B2 (en) * 2003-11-26 2011-11-22 General Electric Company Method and system for prospective gating using multiple inputs
US7012428B1 (en) * 2003-12-17 2006-03-14 General Electric Company Method and apparatus of reducing artifacts in phase-cycled steady-state free precession imaging
DE602005012583D1 (en) * 2004-06-18 2009-03-19 Koninkl Philips Electronics Nv REDUCTION OF ARTEFACTS
US20060074305A1 (en) * 2004-09-30 2006-04-06 Varian Medical Systems Technologies, Inc. Patient multimedia display
US8155419B2 (en) * 2005-05-04 2012-04-10 Mayo Foundation For Medical Education And Research MRI acquisition using sense and highly undersampled fourier space sampling
WO2006119164A2 (en) * 2005-05-04 2006-11-09 Mayo Foundation For Medical Education And Research Mri acquisition using 2d sense and partial fourier space sampling
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US10667727B2 (en) * 2008-09-05 2020-06-02 Varian Medical Systems, Inc. Systems and methods for determining a state of a patient
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JP5421600B2 (en) * 2009-01-29 2014-02-19 株式会社日立メディコ Nuclear magnetic resonance imaging apparatus and method of operating nuclear magnetic resonance imaging apparatus
JP5388749B2 (en) * 2009-08-11 2014-01-15 株式会社東芝 Magnetic resonance imaging system
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JP6076677B2 (en) 2011-11-25 2017-02-08 東芝メディカルシステムズ株式会社 Magnetic resonance imaging system
JP5922437B2 (en) * 2012-02-28 2016-05-24 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Magnetic resonance equipment
CN103479356B (en) * 2012-06-14 2015-07-29 西门子(深圳)磁共振有限公司 A kind of diffusion tensor MR formation method
CN103513204B (en) * 2012-06-29 2016-03-30 西门子(深圳)磁共振有限公司 The track correcting method of K space data and device in a kind of magnetic resonance imaging
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JP6554718B2 (en) * 2014-10-31 2019-08-07 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Data processing apparatus, magnetic resonance apparatus, and program
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CN113808228A (en) * 2020-06-15 2021-12-17 西门子(深圳)磁共振有限公司 Imaging echo phase correction method, imaging echo phase correction device, imaging system and storage medium

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Non-Patent Citations (3)

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Publication number Publication date
JP2000157508A (en) 2000-06-13
EP0994363A2 (en) 2000-04-19
US6144874A (en) 2000-11-07

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